Capacitive touch keyboard
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 7, 2015
Grant Date -
Dec 6, 2012
app pub date -
May 24, 2012
filing date -
Jun 3, 2011
priority date (Note) -
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Abstract
A capacitive touch keyboard includes an insulating substrate that defines a plurality of press key zones, and a first and a second conductive layers, both disposed on the insulating substrate. Each conductive layer includes a plurality of electrode lines arranged in two different directions. Each electrode line includes a plurality of electrode units connected in series. Each electrode unit is disposed at a position corresponding to a respective one of the press key zones. For each of the press key zones, the electrode units of the first the second conductive layers that are disposed therein are adjacent to each other and cooperate to form a touch sensing structure.
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